I believe that the word meant here was scheisse, a German word for "shit head". The double S can be replaced with another letter that looks like a B with a tail.
Literallythe best dog. There is no other dog. Literally none. Zero. Nuh uh, no. Only shibes. They came from heaven to discipline us with love and support. I myself, am a shibe.
gary: wow! that shibe is so cute! i just wanna squeeze it!
shibe: foolish mortal, i will be a good boy!
sherald: who the fuck is named sherald